Solve: -27 – 11 38 Correct Incorrect 38 -38 Correct Incorrect -38 -16 Correct Incorrect -16 16 Correct Incorrect 16 Write seven hundred thousandths in decimal form. 0.000007 Correct Incorrect 0.000007 0.00007 Correct Incorrect 0.00007 0.0007 Correct Incorrect 0.0007 700,000 Correct Incorrect 700,000 What is the lowest common multiple of 40 and 100? 20 Correct Incorrect 20 80 Correct Incorrect 80 200 Correct Incorrect 200 400 Correct Incorrect 400 Iris has 27 red flowers and 36 yellow flowers. She wants to make bouquets with the same number of each color. What is the greatest number of bouquets she can make? 9 Correct Incorrect 9 12 Correct Incorrect 12 3 Correct Incorrect 3 18 Correct Incorrect 18 Correct! Wrong! 9, which is the greatest common factor of 27 and 36. Simplify: -15(5x – 3) 75x + 45 Correct Incorrect 75x + 45 -75x – 45 Correct Incorrect -75x – 45 75x – 45 Correct Incorrect 75x – 45 -75x + 45 Correct Incorrect -75x + 45 Correct! Wrong! Distributive property FTW! Solve:(-3)³ – (-6) 15 Correct Incorrect 15 -3 Correct Incorrect -3 -21 Correct Incorrect -21 -33 Correct Incorrect -33 Correct! Wrong! (-3)³ – (-6) = -27 + 6 = -21 Solve for y:0.5y – 1.1 = 4.9 12 Correct Incorrect 12 3 Correct Incorrect 3 7.6 Correct Incorrect 7.6 1.9 Correct Incorrect 1.9 Two neon signs are turned on at the same time. One blinks every 12 seconds. The other blinks every 15 seconds. In how many seconds will they both blink at the same time? 30 seconds Correct Incorrect 30 seconds 60 seconds Correct Incorrect 60 seconds 45 seconds Correct Incorrect 45 seconds 90 seconds Correct Incorrect 90 seconds Correct! Wrong! 60 seconds, which is the lowest common multiple of 12 and 15. Solve this inequality:-12x < 132 x < -11 Correct Incorrect x < -11 x = -11 Correct Incorrect x = -11 x < 11 Correct Incorrect x < 11 x > -11 Correct Incorrect x > -11 Correct! Wrong! x<-11 If May needs a half teaspoon of baking powder to make 12 cookies, how many teaspoons of baking powder does she need for 40 cookies? 2 1/6 tsp Correct Incorrect 2 1/6 tsp 1 1/2 tsp Correct Incorrect 1 1/2 tsp 1 2/3 tsp Correct Incorrect 1 2/3 tsp 1 3/4 tsp Correct Incorrect 1 3/4 tsp -3 is: A rational number, a natural number, and an integer Correct Incorrect A rational number, a natural number, and an integer A natural number and an integer, but NOT a rational number Correct Incorrect A natural number and an integer, but NOT a rational number A rational number and an integer, but NOT a natural number Correct Incorrect A rational number and an integer, but NOT a natural number An integer, but NOT a rational nor a natural number Correct Incorrect An integer, but NOT a rational nor a natural number Correct! Wrong! Rational numbers can be represented by the division of two integers. Integers are all whole numbers. Natural numbers are all integers greater than or equal to 1. Maggie’s new bike cost $150. Her parents paid 40% of the cost and Maggie paid the rest. How much did Maggie pay? $60 Correct Incorrect $60 $70 Correct Incorrect $70 $75 Correct Incorrect $75 $90 Correct Incorrect $90 Correct! Wrong! Maggie paid for 60% of $150 = $90. The ratio of North American butterflies to South American butterflies in a butterfly park is 5:4. There are 30 North American butterflies. How many South American butterflies are there? 10 Correct Incorrect 10 20 Correct Incorrect 20 24 Correct Incorrect 24 36 Correct Incorrect 36 A high-speed elevator can rise 480 feet in 30 seconds. Which expression represents the rate, in feet per minute, of the elevator? 480 * 30 Correct Incorrect 480 * 30 480 / 30 Correct Incorrect 480 / 30 480 * 2 Correct Incorrect 480 * 2 480 / 2 Correct Incorrect 480 / 2 Correct! Wrong! The question asks for feet per MINUTE; 30 seconds = 0.5 minutes, so the answer is 480 / 0.5 = 480 * 2